DC Motors Principles Quiz

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Questions and Answers

What happens to the motor speed when increasing the mechanical load?

  • Motor speed increases
  • Motor speed remains constant
  • Motor speed starts to decrease (correct)
  • Motor speed fluctuates

What happens to the back EMF when increasing the mechanical load?

  • Back EMF increases
  • Back EMF remains constant
  • Back EMF decreases (correct)
  • Back EMF fluctuates

What happens to the current absorbed from the supply when increasing the mechanical load?

  • Current absorbed fluctuates
  • Current absorbed remains constant
  • Current absorbed decreases
  • Current absorbed increases (correct)

What happens to the force and torque when the motor absorbs more current from the supply?

<p>Force and torque increase (B)</p> Signup and view all the answers

What type of motor characteristics are similar to a DC generator?

<p>Shunt, Series, Compound (C)</p> Signup and view all the answers

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